Question 87
Arun drops his pen on the floor. Sofia hears the pen hit the floor.
Copy the sentences and use words from the list to complete them.
You can use the words once, more than once or not at all.
the pen; sound wave; Sofia’s ears; air; particles
A ................ travels from ................ to ................ .
The ................ travels through the ................ .
Copy the sentences and use words from the list to complete them.
You can use the words once, more than once or not at all.
the pen; sound wave; Sofia’s ears; air; particles
A ................ travels from ................ to ................ .
The ................ travels through the ................ .
